WO2002073709A3 - Processing of magnesium-boride superconductors - Google Patents

Processing of magnesium-boride superconductors Download PDF

Info

Publication number
WO2002073709A3
WO2002073709A3 PCT/US2002/007166 US0207166W WO02073709A3 WO 2002073709 A3 WO2002073709 A3 WO 2002073709A3 US 0207166 W US0207166 W US 0207166W WO 02073709 A3 WO02073709 A3 WO 02073709A3
Authority
WO
WIPO (PCT)
Prior art keywords
magnesium
superconductors
boride
processing
boron
Prior art date
Application number
PCT/US2002/007166
Other languages
French (fr)
Other versions
WO2002073709A2 (en
Inventor
Alexander Otto
Gilbert N Riley Jr
Martin W Rupich
Cornelis Leo Hans Thieme
Original Assignee
American Superconductor Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by American Superconductor Corp filed Critical American Superconductor Corp
Priority to AU2002250276A priority Critical patent/AU2002250276A1/en
Publication of WO2002073709A2 publication Critical patent/WO2002073709A2/en
Publication of WO2002073709A3 publication Critical patent/WO2002073709A3/en

Links

Classifications

    • H—ELECTRICITY
    • H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10N—ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10N60/00—Superconducting devices
    • H10N60/20—Permanent superconducting devices
    • H10N60/202—Permanent superconducting devices comprising metal borides, e.g. MgB2
    • H—ELECTRICITY
    • H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10N—ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10N60/00—Superconducting devices
    • H10N60/01—Manufacture or treatment
    • H10N60/0856—Manufacture or treatment of devices comprising metal borides, e.g. MgB2

Abstract

Process for the fabrication of MgB2 powder and wires are provided. Powders are produced by mechanically alloying magnesium- and boron-containing precursors under controlled conditions to avoid secondary phase and impurity formation. Powders are also prepared by vapor phase reaction of volatile magnesium- and boron-containing precursors. Wires, tapes, films and coatings are provided.
PCT/US2002/007166 2001-03-09 2002-03-08 Processing of magnesium-boride superconductors WO2002073709A2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AU2002250276A AU2002250276A1 (en) 2001-03-09 2002-03-08 Processing of magnesium-boride superconductors

Applications Claiming Priority (6)

Application Number Priority Date Filing Date Title
US27440201P 2001-03-09 2001-03-09
US60/274,402 2001-03-09
US27475201P 2001-03-10 2001-03-10
US60/274,752 2001-03-10
US30305801P 2001-07-05 2001-07-05
US60/303,058 2001-07-05

Publications (2)

Publication Number Publication Date
WO2002073709A2 WO2002073709A2 (en) 2002-09-19
WO2002073709A3 true WO2002073709A3 (en) 2003-07-24

Family

ID=27402652

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/US2002/007166 WO2002073709A2 (en) 2001-03-09 2002-03-08 Processing of magnesium-boride superconductors

Country Status (2)

Country Link
AU (1) AU2002250276A1 (en)
WO (1) WO2002073709A2 (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ITTO20010994A1 (en) 2001-10-19 2003-04-22 Inem Istituto Naz Per La Fisi MGB2 BASED SUPERCONDUCTOR WIRES MANUFACTURE PROCESS WITH IMPROVED PROPERTIES IN THE PRESENCE OF A STATIC MAGNETIC FIELD.
JP4016103B2 (en) * 2003-03-04 2007-12-05 独立行政法人物質・材料研究機構 Method for producing MgB2 superconductor
CN102225771B (en) * 2011-04-29 2013-04-10 东北大学 Method for preparing LaB6 nano-powder through mechanical alloying process

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2002222619A (en) * 2001-01-24 2002-08-09 Hideyuki Shinagawa Magnesium diboride superconducting wire material
WO2002069353A1 (en) * 2001-02-28 2002-09-06 Industrial Research Limited Superconducting borides and wires made thereof

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2002222619A (en) * 2001-01-24 2002-08-09 Hideyuki Shinagawa Magnesium diboride superconducting wire material
WO2002069353A1 (en) * 2001-02-28 2002-09-06 Industrial Research Limited Superconducting borides and wires made thereof

Non-Patent Citations (6)

* Cited by examiner, † Cited by third party
Title
CUNNINGHAM C E ET AL: "Synthesis and processing of MgB2 powders and wires", PHYSICA C, vol. 353, no. 1-2, 1 May 2001 (2001-05-01), pages 5 - 10, XP004240410, ISSN: 0921-4534 *
GLOWACKI B A ET AL: "Superconductivity of powder-in-tube MgB2 wires", SUPERCONDUCTOR SCIENCE & TECHNOLOGY, vol. 14, no. 4, April 2001 (2001-04-01), pages 193 - 199, XP002228484, ISSN: 0953-2048 *
KOBAYASHI K ET AL: "Synthesis of Mg-B-C by mechanical alloying and their consolidation", JOURNAL OF THE JAPAN SOCIETY OF POWDER AND POWDER METALLURGY, vol. 45, no. 10, October 1998 (1998-10-01), pages 965 - 968, XP009004622, ISSN: 0532-8799 *
NAGAMATSU J ET AL: "Superconductivity at 39 K in magnesium diboride", NATURE, vol. 410, no. 6824, 1 March 2001 (2001-03-01), pages 63 - 64, XP002948368, ISSN: 0028-0836 *
PATENT ABSTRACTS OF JAPAN vol. 2002, no. 12 12 December 2002 (2002-12-12) *
SUMPTION M D ET AL: "Transport current in MgB2 based superconducting strand at 4.2 K and self-field", ARXIV.ORG E-PRINT ARCHIVE, 23 February 2001 (2001-02-23), XP002228483, Retrieved from the Internet <URL:http://www.arxiv.org/pdf/cond-mat/0102441> [retrieved on 20030122] *

Also Published As

Publication number Publication date
WO2002073709A2 (en) 2002-09-19
AU2002250276A1 (en) 2002-09-24

Similar Documents

Publication Publication Date Title
WO2003005460A3 (en) Processing of magnesium-boride superconductor wires
AU5331700A (en) Method of processing films prior to chemical vapor deposition using electron beam processing
CA2139551A1 (en) Process for crystal growth of iii-v group compound semiconductor
AU5385896A (en) Release coating, obtained by vapor deposition of fluorinated or silicone acrylate compound, and method of production the reof
EP1251567A3 (en) GaN related compound semiconductor and process for producing the same
AU3013197A (en) Corrosion-stable aluminium pigments produced by physical vapor deposition and process for the stabilisation thereof
CA2398353A1 (en) Anticancer compound and enantiomer separation method useful for synthesizing said compound
JPS5628637A (en) Film making method
WO2004008827A3 (en) Atomic layer deposition of high k dielectric films
WO2002097861A3 (en) Semiconductor device, semiconductor layer and production method thereof
AU9572898A (en) Low vacuum vapor process for producing epitaxial layers
CN206328461U (en) A kind of glass compressing device
CA2354877A1 (en) Method for the preparation of citalopram
EP0952156A3 (en) Aluminium complex derivatives for chemical vacuum evaporation and the method of producing the same
WO2003100875A3 (en) Method for producing a fully transposed high tc composite superconductor and a superconductor produced by said method
GB2446973A (en) A process for the continuous production of magnesium diboride based superconductors
EP0987270A3 (en) Aluminum compound for forming aluminum films by chemical vapor depositions and their synthesis
WO2002073709A3 (en) Processing of magnesium-boride superconductors
WO2001059858A3 (en) Alloy compositions for use as electrode materials and for hydrogen production
RU95101844A (en) Method of preparing high-purity metal powder
EP1246261A3 (en) Space solar cell
AU2137192A (en) Substituted mandelic acid derivatives, processes for their preparation and their use in medicaments
HU0301976D0 (en) Process and equipment for producing instant powders (for example fruit powder) by the help of solar energy
EP0401972A3 (en) Production of nitrogen compounds
AU2002353021A1 (en) Chemical vapor deposition reactor

Legal Events

Date Code Title Description
AK Designated states

Kind code of ref document: A2

Designated state(s): AE AG AL AM AT AU AZ BA BB BG BR BY BZ CA CH CN CO CR CU CZ DE DK DM DZ EE ES FI GB GD GE GH GM HR HU ID IL IN IS JP KE KG KP KR KZ LC LK LR LS LT LU LV MA MD MG MK MN MW MX MZ NO NZ PL PT RO RU SD SE SG SI SK SL TJ TM TR TT TZ UA UG UZ VN YU ZA ZW

AL Designated countries for regional patents

Kind code of ref document: A2

Designated state(s): GH GM KE LS MW MZ SD SL SZ TZ UG ZM ZW AM AZ BY KG KZ MD RU TJ TM AT BE CH CY DE DK ES FI FR GB GR IE IT LU MC NL PT SE TR BF BJ CF CG CI CM GA GN GQ GW ML MR NE SN TD TG

121 Ep: the epo has been informed by wipo that ep was designated in this application
DFPE Request for preliminary examination filed prior to expiration of 19th month from priority date (pct application filed before 20040101)
REG Reference to national code

Ref country code: DE

Ref legal event code: 8642

122 Ep: pct application non-entry in european phase
NENP Non-entry into the national phase

Ref country code: JP

WWW Wipo information: withdrawn in national office

Country of ref document: JP